Exposure to secondhand vaping fumes among teens raises concerns UPI.com Secondhand smoke and secondhand aerosol Secondhand vape aerosol can contain particles and chemicals that may affect indoor air quality. Research continues to examine possible respiratory impacts. Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN In secondhand vape, scientists smell risk American Heart Association Secondhand smoke and secondhand aerosol